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Polymer Gasoline: Propylene from Cracked Gas Polymerised over Phosphoric Acid (Gulf, US 3,071,535)
Charlie

Nilikha ni

Charlie

30. Oktubre 2026DE
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Polymer Gasoline: Propylene from Cracked Gas Polymerised over Phosphoric Acid (Gulf, US 3,071,535)

The propylene in a refinery's cracked gas can be joined into gasoline-sized molecules over a phosphoric acid catalyst. The result is an olefinic polymer gasoline of high research octane but high sensitivity, so Gulf blends it into regular grade only. Result (Gulf's example, barrels per day): from 4,851 of C3 fractions, 1,645 of polymer gasoline; the propane and unreacted gas, 1,552 as fuel-oil equivalent, go to fuel. Source: Condrasky & Glazier, US 3,071,535 (Gulf, filed 1959). Not given: temperature, pressure, reactor design. Liquefied gases under pressure: fire risk. Picture drawn by Youblob.
Dalubhasa
1 day

Mga Tagubilin

1

Collect the C3 streams

Gather the olefinic C3 fractions of the refinery: in Gulf's example 4,230 barrels a day from the catalytic cracker and 621 from the coker.

Mga materyales para sa hakbang na ito:

Bahaging propane-propyleneBahaging propane-propylene4851 parts by volume

Mga kailangang kasangkapan:

Tangke ng gas na may presyonTangke ng gas na may presyon
Bomba sa paglilipatBomba sa paglilipat
2

Polymerise over phosphoric acid

Contact the C3 stream with a polymerisation catalyst such as phosphoric acid, which joins the propylene into olefinic polymer gasoline. Gulf gives no temperature or pressure. Ours: a solid phosphoric acid catalyst in a pressure reactor.

Mga kailangang kasangkapan:

Katalistang solidong phosphoric acidKatalistang solidong phosphoric acid
Reactor na may presyonReactor na may presyon
Panukat ng DiinPanukat ng Diin
PirometroPirometro
3

Separate the polymer gasoline from the gas

Separate the liquid polymer gasoline (1,645) from the C3 gas left over (1,552 as fuel-oil equivalent), which is used as fuel. Ours: a fractionating still.

Mga kailangang kasangkapan:

Alambike ng paghati-hatiAlambike ng paghati-hati
Tangke ng langisTangke ng langis
4

Keep it for regular grade

Because its octane sensitivity is rather high, the polymer gasoline is blended into regular-grade petrol, not premium.

Mga kailangang kasangkapan:

Tangke ng langisTangke ng langis

Mga Materyales

1

Mga Kinakailangang Kasangkapan

8

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Polymer gasoline

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Ang mga blueprint na ito ay nagbabahagi ng kaalaman — mga teknik, materyales, o prinsipyo

FCC Gasoline: Gas Oil Cracked over Fluidised Silica-Alumina at 975 °F, 71.5 % Conversion (Gulf, US 3,071,535)

FCC Gasoline: Gas Oil Cracked over Fluidised Silica-Alumina at 975 °F, 71.5 % Conversion (Gulf, US 3,071,535)

ni CharlieDE

Industriyal

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Coker Gas Oil and Petroleum Coke: Vacuum Residue Delayed-Coked at about 920 °F (Gulf, US 3,071,535)

Coker Gas Oil and Petroleum Coke: Vacuum Residue Delayed-Coked at about 920 °F (Gulf, US 3,071,535)

ni CharlieDE

Industriyal

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CC0 Pampublikong Domain

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